EP0363841A3 - Plural layer coupling system - Google Patents

Plural layer coupling system Download PDF

Info

Publication number
EP0363841A3
EP0363841A3 EP19890118600 EP89118600A EP0363841A3 EP 0363841 A3 EP0363841 A3 EP 0363841A3 EP 19890118600 EP19890118600 EP 19890118600 EP 89118600 A EP89118600 A EP 89118600A EP 0363841 A3 EP0363841 A3 EP 0363841A3
Authority
EP
European Patent Office
Prior art keywords
sheet
radiators
pads
feed system
antenna
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19890118600
Other languages
German (de)
French (fr)
Other versions
EP0363841A2 (en
Inventor
Sanford S. Shapiro
William N. Klimczak
Mon N. Wong
Clinton W. Pederson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Raytheon Co
Original Assignee
Hughes Aircraft Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of EP0363841A2 publication Critical patent/EP0363841A2/en
Publication of EP0363841A3 publication Critical patent/EP0363841A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/12—Coupling devices having more than two ports
    • H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
    • H01P5/18—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
    • H01P5/184—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers the guides being strip lines or microstrips
    • H01P5/187—Broadside coupled lines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H01Q21/065—Patch antenna array

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Waveguide Aerials (AREA)
  • Waveguides (AREA)

Abstract

An antenna system (100) for an array antenna includes an array of radiators (102, 104) formed as patch antenna elements on a dielectric substrate (106), there being a shield­ ing metallic sheet (110) on a side of the substrate (106) opposite the radiators (102, 104). A further dielectric substrate (108) and a bottom metallic sheet (112) are disposed on a side of the shielding sheet (110) opposite the radiators (102, 104). An antenna feed system (114) is disposed in the further sheet (112). Coupling devices such as orthogonal slots in one embodiment, or a microwave crossover (74B, 74T), in a second embodiment, couple electromagnetic power from the feed system (114) to the radiators (102, 104) through the shielding sheet (110). In the case of the coupling slots, the feed system provides phase quadrature signals for develop­ ment of circularly polarized radiation. The crossover (74B, 74T) provides only a linearly polarized wave, and is formed of two coplanar waveguides, one in the shielding sheet (110) and one in the bottom sheet (112). Each of the coplanar waveguides includes a pair of coupling pads, the pads of one waveguide being in registration with the pads of the other waveguide
EP19890118600 1988-10-11 1989-10-06 Plural layer coupling system Withdrawn EP0363841A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/255,218 US5001492A (en) 1988-10-11 1988-10-11 Plural layer co-planar waveguide coupling system for feeding a patch radiator array
US255218 1988-10-11

Publications (2)

Publication Number Publication Date
EP0363841A2 EP0363841A2 (en) 1990-04-18
EP0363841A3 true EP0363841A3 (en) 1991-05-22

Family

ID=22967353

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890118600 Withdrawn EP0363841A3 (en) 1988-10-11 1989-10-06 Plural layer coupling system

Country Status (5)

Country Link
US (1) US5001492A (en)
EP (1) EP0363841A3 (en)
JP (1) JPH02276301A (en)
AU (1) AU611595B2 (en)
CA (1) CA1328923C (en)

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CN1630133A (en) * 2003-12-18 2005-06-22 摩托罗拉公司 Antenna radiator and radio communication device
US7015772B2 (en) * 2004-03-01 2006-03-21 Scientific Components Corporation Tunable amplitude unbalance stripline combiner
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CN1989652B (en) 2004-06-28 2013-03-13 脉冲芬兰有限公司 Antenna component
US7098854B2 (en) * 2004-09-09 2006-08-29 Raytheon Company Reflect antenna
US7084830B1 (en) * 2005-03-02 2006-08-01 Intel Corporation Two-port antenna structure for multiple-input multiple-output communications
US7551140B2 (en) * 2005-11-03 2009-06-23 Symbol Technologies, Inc. Low return loss rugged RFID antenna
TWI273739B (en) * 2005-11-09 2007-02-11 Tatung Co Reflection plate with variable size of trough hole
US7873326B2 (en) 2006-07-11 2011-01-18 Mojix, Inc. RFID beam forming system
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US20090128435A1 (en) * 2007-11-16 2009-05-21 Smartant Telecom Co., Ltd. Slot-coupled microstrip antenna
US8072311B2 (en) 2008-04-14 2011-12-06 Mojix, Inc. Radio frequency identification tag location estimation and tracking system and method
US8130149B2 (en) * 2008-10-24 2012-03-06 Lockheed Martin Corporation Wideband strip fed patch antenna
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EP2339691B1 (en) * 2009-12-15 2019-02-20 Alcatel Lucent Physically non-uniform TEM-mode directional coupler
US9166301B2 (en) * 2012-02-13 2015-10-20 AMI Research & Development, LLC Travelling wave antenna feed structures
DE102012012171B4 (en) * 2012-02-15 2022-12-22 Rohde & Schwarz GmbH & Co. Kommanditgesellschaft Circuit board arrangement for feeding antennas via a three-wire system for exciting different polarizations
US9030269B1 (en) 2012-05-17 2015-05-12 Scientific Components Corporation Tunable microstrip and T-junction
US20140211421A1 (en) * 2013-01-29 2014-07-31 Tyco Electronics Corporation Circuit Board Assembly
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US10673147B2 (en) * 2016-11-03 2020-06-02 Kymeta Corporation Directional coupler feed for flat panel antennas
US11205847B2 (en) * 2017-02-01 2021-12-21 Taoglas Group Holdings Limited 5-6 GHz wideband dual-polarized massive MIMO antenna arrays
US11050160B2 (en) * 2017-04-17 2021-06-29 University Of Massachusetts Planar-shaped antenna devices, antenna arrays, and fabrication
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Also Published As

Publication number Publication date
EP0363841A2 (en) 1990-04-18
AU611595B2 (en) 1991-06-13
CA1328923C (en) 1994-04-26
AU4270489A (en) 1990-05-10
US5001492A (en) 1991-03-19
JPH02276301A (en) 1990-11-13

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